077
FNCA52 TJSJ 160730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST THU APR 16 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-162000-
SOUTHEAST COASTAL PLAINS-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 60
TEMP (24H TREND) 87 (+3) 70 (-2) 87
RH % (24H TREND) 53 (-13) 89 (+2) 51
WIND 20FT/EARLY(MPH) E 13 E 12 E 16
WIND 20FT/LATE(MPH) E 13 E 9 E 16
MIXING HGT(FT-AGL/MSL)4610 4610
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 59930 59930
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-162000-
SOUTHERN HILLS-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 70
TEMP (24H TREND) 84 (+4) 66 (-3) 83
RH % (24H TREND) 65 (-7) 98 (+6) 66
WIND 20FT/EARLY(MPH) E 11 E 10 E 12
WIND 20FT/LATE(MPH) E 11 E 10 E 12
MIXING HGT(FT-AGL/MSL)5380 5080
TRANSPORT WND (MPH) E 14 E 14
VENT RATE (KT-FT) 64560 60960
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-162000-
NORTH COASTAL PLAINS-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 70 80
TEMP (24H TREND) 87 (+2) 69 (-2) 86
RH % (24H TREND) 62 (-4) 99 (+5) 63
WIND 20FT/EARLY(MPH) E 12 E 12 E 13
WIND 20FT/LATE(MPH) E 14 E 10 E 13
MIXING HGT(FT-AGL/MSL)4810 3540
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 52910 42480
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-162000-
NORTHERN HILLS-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 90 50 80
TEMP (24H TREND) 86 (+3) 67 (-1) 85
RH % (24H TREND) 63 (-5) 98 (+4) 65
WIND 20FT/EARLY(MPH) E 10 E 10 E 12
WIND 20FT/LATE(MPH) E 13 E 8 E 12
MIXING HGT(FT-AGL/MSL)5680 4800
TRANSPORT WND (MPH) E 10 E 12
VENT RATE (KT-FT) 51120 48000
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-162000-
WEST COAST-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 30 90
TEMP (24H TREND) 88 (+2) 70 (0) 88
RH % (24H TREND) 60 (-6) 94 (+2) 61
WIND 20FT/EARLY(MPH) E 12 E 11 E 11
WIND 20FT/LATE(MPH) E 14 E 11 E 12
MIXING HGT(FT-AGL/MSL)4600 4520
TRANSPORT WND (MPH) SE 12 E 9
VENT RATE (KT-FT) 46000 36160
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-162000-
EASTERN INTERIOR-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 70 80
TEMP (24H TREND) 84 (+2) 68 (-2) 84
RH % (24H TREND) 67 (-2) 99 (+4) 67
WIND 20FT/EARLY(MPH) E 12 E 12 E 12
WIND 20FT/LATE(MPH) E 12 E 12 E 11
MIXING HGT(FT-AGL/MSL)5260 4140
TRANSPORT WND (MPH) SE 14 E 14
VENT RATE (KT-FT) 63120 49680
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-162000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 80 70 90
TEMP (24H TREND) 80 (+3) 66 (-2) 79
RH % (24H TREND) 72 (-4) 100 (+1) 73
WIND 20FT/EARLY(MPH) E 10 E 9 E 10
WIND 20FT/LATE(MPH) E 11 E 9 E 10
MIXING HGT(FT-AGL/MSL)3640 2670
TRANSPORT WND (MPH) E 15 E 14
VENT RATE (KT-FT) 47320 32040
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-162000-
CENTRAL MOUNTAIN RANGE-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 40 90
TEMP (24H TREND) 84 (+6) 64 (-3) 83
RH % (24H TREND) 64 (-9) 98 (+5) 67
WIND 20FT/EARLY(MPH) E 8 E 6 E 8
WIND 20FT/LATE(MPH) E 9 E 5 E 9
MIXING HGT(FT-AGL/MSL)6190 5550
TRANSPORT WND (MPH) SE 10 E 10
VENT RATE (KT-FT) 55710 49950
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-162000-
CAYEY MOUNTAIN RANGE-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 70 70
TEMP (24H TREND) 79 (+2) 67 (-1) 79
RH % (24H TREND) 74 (0) 99 (+1) 73
WIND 20FT/EARLY(MPH) E 10 E 8 E 11
WIND 20FT/LATE(MPH) E 10 E 8 E 10
MIXING HGT(FT-AGL/MSL)4220 3740
TRANSPORT WND (MPH) E 14 E 15
VENT RATE (KT-FT) 50640 48620
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-162000-
VIEQUES-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 70 70
TEMP (24H TREND) 85 (0) 71 (-3) 85
RH % (24H TREND) 64 (+2) 95 (+4) 62
WIND 20FT/EARLY(MPH) E 14 E 16 E 14
WIND 20FT/LATE(MPH) E 14 E 16 E 14
MIXING HGT(FT-AGL/MSL)2870 3060
TRANSPORT WND (MPH) E 17 E 20
VENT RATE (KT-FT) 43050 52020
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-162000-
CULEBRA-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 70 70
TEMP (24H TREND) 87 (+1) 73 (-3) 87
RH % (24H TREND) 64 (+1) 94 (+4) 60
WIND 20FT/EARLY(MPH) E 14 E 17 E 16
WIND 20FT/LATE(MPH) E 14 E 16 E 14
MIXING HGT(FT-AGL/MSL)2870 2980
TRANSPORT WND (MPH) E 18 E 18
VENT RATE (KT-FT) 45920 47680
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-162000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 50
TEMP (24H TREND) 89 (+3) 70 (-2) 88
RH % (24H TREND) 51 (-11) 92 (+3) 50
WIND 20FT/EARLY(MPH) E 17 E 14 E 16
WIND 20FT/LATE(MPH) SE 19 E 14 E 18
MIXING HGT(FT-AGL/MSL)4840 4910
TRANSPORT WND (MPH) E 18 E 15
VENT RATE (KT-FT) 77440 63830
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-162000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 60 60
TEMP (24H TREND) 85 (+1) 73 (-3) 85
RH % (24H TREND) 62 (-3) 93 (+5) 61
WIND 20FT/EARLY(MPH) E 16 E 17 E 16
WIND 20FT/LATE(MPH) E 16 E 17 E 16
MIXING HGT(FT-AGL/MSL)3100 3330
TRANSPORT WND (MPH) E 20 E 21
VENT RATE (KT-FT) 52700 59940
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-162000-
ST CROIX-
330 AM AST THU APR 16 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 60 60
TEMP (24H TREND) 86 (+1) 72 (-3) 86
RH % (24H TREND) 65 (0) 95 (+6) 62
WIND 20FT/EARLY(MPH) E 14 E 14 E 16
WIND 20FT/LATE(MPH) E 14 E 14 E 14
MIXING HGT(FT-AGL/MSL)4020 3690
TRANSPORT WND (MPH) E 18 E 18
VENT RATE (KT-FT) 64320 59040
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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